CLT to EST Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
9:00 am09:00 CLST (UTC-3), Oct 18, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 18, 2026
CLST is 1 hour ahead of EDT.
CLT and EST (US winter time, UTC-5) examples
These examples always use CLT (UTC-4) and EST (UTC-5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
CLT is 1 hour ahead of EST.
EST is US Eastern winter time (early November to mid-March). The rest of the year New York uses EDT (UTC-4), one hour later. For Eastern Time that follows daylight saving time, use CLT to ET. For daylight-time examples, use CLT to EDT.
How the time difference changes
Depending on seasonal clock changes, CLT and EDT have the same time, CLST is 1 hour ahead of EDT, or CLST is 2 hours ahead of EST.
Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in CLT correspond to 9:00 am to 6:00 pm in EDT, working hours of 9:00 am to 6:00 pm in CLST correspond to 8:00 am to 5:00 pm in EDT, or working hours of 9:00 am to 6:00 pm in CLST correspond to 7:00 am to 4:00 pm in EST.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in CLT correspond to 09:00 to 18:00 in EDT, working hours of 09:00 to 18:00 in CLST correspond to 08:00 to 17:00 in EDT, or working hours of 09:00 to 18:00 in CLST correspond to 07:00 to 16:00 in EST.
Compare CLT time with EST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Chile Summer Time is 1 hour ahead of Eastern Daylight Time.
9:00 am09:00 in CLST is 8:00 am08:00 in EDT
CLST to EDT call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in CLST which corresponds to 9am-5pm09:00-17:00 in EDT
9:00 am09:00 Chile Summer Time (CLST). Offset UTC -3:00 hours
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
9:00 am09:00 CLST / 8:00 am08:00 EDT
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
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Chile Standard Time
Offset: CLT is 4 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Chile
Principal Cities: The largest city in the CLT time zone is Santiago in Chile, with about 4.837 million people. Other major cities in this time zone include Antofagasta, Viña del Mar, Valparaíso, Puerto Montt.
Today the shaded areas are on UTC−3.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Chile Summer Time (CLST).
End: Chile Standard Time (CLT) ended on Sunday, September 6, 2026 at 12:00 am00:00 local time and clocks were set one hour forward to Sunday, September 6, 2026, 1:00 am01:00 local daylight time instead.
Start: Chile Standard Time (CLT) starts on Sunday, April 4, 2027 at 12:00 am00:00 local time and clocks are set one hour back to Saturday, April 3, 2027, 11:00 pm23:00.
See Chile daylight saving time and upcoming clock changes worldwide.
CLT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
- Quebec - Military abbreviation for CLT
- Q - short form of 'Quebec'
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Today the lighter areas are on UTC−4 (EDT).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Eastern Standard Time (EST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
See USA daylight saving time and upcoming clock changes worldwide.
EST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone